AI Frenzy Fuels Record Wall St Rally as Shutdown Drags On – Key Market News (Oct 6-7, 2025)
Wall Street’s week kicked off with more record highs on Monday as U.S. equity indices climbed on buoyant investor sentiment. The benchmark S&P 500 rose 0.4% to 6,740.28, notching a fresh all-time closing high seattlepi.com. The tech-heavy Nasdaq Composite jumped 0.7% to 22,941.67, also a record finish seattlepi.com. It was the seventh straight advance for the S&P 500 and Nasdaq, capping a remarkable run fueled primarily by excitement around artificial intelligence deals and innovations stocktwits.com sfgate.com. The blue-chip Dow Jones Industrial Average lagged, edging down 0.1% to 46,694.97 seattlepi.com. Investors pointed to a wave of AI-driven optimism lifting risk assets despite other headwinds. Advanced Micro Devices emerged as the day’s biggest catalyst – the chipmaker’s stock skyrocketed nearly 24% after news it will partner with ChatGPT creator OpenAI on a landmark chip supply deal investopedia.com reuters.com. OpenAI agreed to purchase multiple generations of AMD’s AI processors and even obtained rights to buy up to a 10% equity stake in AMD contingent on certain milestones sfgate.com reuters.com. Analysts said the long-term arrangement could yield “tens of billions” in annual revenue for AMD reuters.com, instantly making it a potential rival to AI-chip leader Nvidia. “The market is seeing strength in areas like